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Finding the Fourth Proportional to 322,677.12, 445,299.68 and 177,488.64

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Solution

The fourth proportional to 322,677.12, 445,299.68 and 177,488.64 is: 244,937.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,677.12 : 445,299.68 = 177,488.64 : x
  2. Step 2: Convert to fraction form
    322,677.12/445,299.68 = 177,488.64/x
  3. Step 3: Cross multiply
    322,677.12x = 445,299.68 × 177,488.64
  4. Step 4: Simplify right side
    322,677.12x = 79,035,634,595.64
  5. Step 5: Solve for x
    x = 79,035,634,595.64/322,677.12
  6. Step 6: Final answer
    x = 244,937.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.